Shure (R) FP22 User's Manual
Contents
1. Mic level zi mainen aeaa a 160 mV 16 dBV Line level 0 cc cece e 50 V 34 dBV Output Level at Clipping Headphones FP22 Out Headphones Head Impedance put Sensitivity phones SPL 63 Q 1 2 V 1 6 106 dB at 1 120 dB dBV mW 82 500 mV 6 95dBat1 110 dB dBV mW Input Impedance XLR mic level 00 cee eee eee 6 3 KQ 10 XLR line level 00 eee eee eee ee 66 kQ 10 Stereo Line pad at 0 0 eee eee eee 50 kQ 10 Stereo Line pad at 30 dB 53 KQ 10 Headphone Output Impedance at 1 kHz 10 2 Q 10 1997 Shure Brothers Inc 27A8362 QE Printed in U S A Phase Input in phase with output Pin 2 of XLR input in phase with tip and ring of all Headphones jacks Power Internal 002 0005 One 9 V alkaline battery Battery Life Approximately 15 hours under normal operating conditions Externalis ce ie cline yaeee heat eee tae ate 12 to 24 Vdc Current drain typical 11 mAdc 80 mAdc clipping at 9 Vdc Temperature Range Operating 00 ee 0 to 49 C 32 to 120 F Storage 0000 29 to 70 C 20 to 165 F Connectors Loopthrough Two 3 pin balanced XLR type connectors one male one fe male Two 1 inch stereo phone jack tip left ring right sleeve ground Headphones Two 4 inch stereo phone jack headphone outputs Two 3 5 mm stereo mini jacks Power 6 5 mm c2. J101 J102 J103 J104 J105 J107 J106 J1 08 J109 L101 L104 L105 L109 MP1 MP2 MP3 MP4 101 Q103 Q102 Q104 Q105 Q106 Q107 Q111 R106 R127 R144 R157 R158 101 S102 S106 103 104 105 T1 U101 U102 U103 REPLACEMENT PARTS LIST DESCRIPTION Battery Alkaline 9 V Dual Diode Assembly Diode Diode Schottky Light Emitting Diode Red Connector 3 Socket MONO XLR Connector 3 Pin MONO XLR Phone Jack Stereo STEREO LINE LOOPTHRU Phone Jack Stereo Switching HEADPHONES Phone Jack Stereo HEADPHONES Connector Power 12 24 VDC IN Ferrite Bead Ring Filter Battery Door Assembly with hinge lockscrew Belt Clip without screws Knob Inner small Knob Outer larger ring Transistor NPN Transistor PNP Transistor PNP Transistor NPN Field Effect Transistor Potentiometer Ganged 100k 250k 250k 200k 200k 20 VOLUME Switch Slide DPDT MONO XLR LEVEL STEREO LINE PAD MONO STEREO Part of R106 R127 R144 R157 R158 Switch DIP DPST Switch Slide DPDT Transformer Input Integrated Circuit Dual Op Amp Integrated Circuit Quad Op Amp Integrated Circuit Voltage Regulator Commercial alternates are acceptable equivalents for optimum performance only direct replacement parts should be used SHURE PART NO AND OR COMMERCIAL ALTERNATE Duracell MN1604 Shure 22202FT NEC 188123 Shure 22203FT Toshiba 188193 Shure 22204FT Toshiba U1GWJ44 Shure 22205FT T
3. D indicator lights to show that the unit is on Turn the level control carefully to avoid excessive head phone levels The Volume control adjusts both the Mono XLR signal and Stereo Line signal WARNING The FP22 can produce ear damaging headphone levels Turn the headphones Volume control up slowly when making adjustments 2 Pull out the Volume control knob and rotate clockwise to in crease the volume level of the Mono XLR signal only This ad justment will not affect the overall volume A center detent posi tion provides a starting volume level for the Mono XLR signal 3 Rotate the Balance control left or right to control the overall left right signal balance 4 If mono monitoring is desirable set the Stereo Mono switch to Mono INTERNAL SWITCHES Two switches are located inside the FP22 These control the signal path through the unit The switches are located on the ver tically mounted printed circuit board inside the unit adjacent to the Loopthrough phone jacks To access the switches remove the three Phillips head screws on the side panel of the unit Internal Switch S 104 consists of two independent single pole single throw switches controlling the path of the Mono XLR input signal 1 When S104 1 and 2 are in the On position the Mono XLR sig nal is routed to both left and right earphones 2 When 104 1 is in the On position and 8104 2 is in the Off position the Mono XLR signal goes to the left channel 3
4. Shure Brothers Incorporated 222 Hartrey Avenue Evanston IL 60202 3696 U S A Model FP22 User Guide es ee a 2 8 SSS PONER POWER VOL e lt MONO XLR VOL STEREO KAA Mao STEREO 8 LINE PAD 3048 MONO XLR bar Y a pe z S CE gi a oO fe a 4 T A I 4 yo WO STEREO LINE Bin I 13437 YX ONOW GENERAL The FP22 is a battery powered stereo headphone amplifier that provides headphone feeds from any audio input source It has the unique capability of monitoring mono stereo and mixed mono and stereo inputs The FP22 monitors and combines these signals in the headphones without affecting the original signal Stereo or mono headphone outputs appear on 1 4 inch phone or mini 3 5 mm stereo jacks The FP22 can drive headphones to very loud levels It is ideal for anyone in the broadcasting sound reinforcement or audio recording fields who needs a flexible high quality head phone monitor The FP22 is excellent for e Line checking applications e Providing multiple headphone feeds e On stage in ear monitoring Boosting headphone circuits e Headphone foldback in recording studios e Practicing musical instruments or mixed vocals through headphones while monitoring a stereo source Features e Exceptionally wide frequency response and dynamic range e High impedance bridging inputs do not load signal sources e Capable of mixing mono and stereo inputs in headphone outputs Complete use
5. When 104 1 is in the Off position and 8104 2 is in the On position the Mono XLR signal goes only to the right channel 4 If both S104 1 and 2 are in the Off position NO signal from the Mono XLR input appears at the headphone outputs Internal Switch S105 is a two position slide switch that changes the Stereo Line jacks from Loopthrough TRS stereo in puts to separate left and right mono inputs 1 When internal switch S105 is set for stereo the Stereo Line jacks accept a stereo signal on a single 1 inch stereo connector tip left ring right sleeve ground This allows for a loopthrough of a stereo signal since both 1 4 inch Stereo Line jacks are connected in parallel 2 When internal switch S105 is set for Mono the FP22 accepts individual left and right 1 4 inch mono connectors to provide a stereo signal Stereo Line jack 1 is the left input Stereo Line jack 2 is the right input No loopthrough capability is available with S105 set for Mono TYPICAL MONITORING CONNECTIONS 1 One Mono Input A mono signal connected to an XLR or phone jack will be monitored as a mono headphone signal When using the Mono XLR connectors the Line Mic switch should be set to match the input 2 One Stereo Input A stereo signal connected to the Stereo Line jacks can be monitored as a stereo output on stereo head phones or as a mono output 3 One Stereo Input Plus One Mono Input A mono signal input through the Mono XLR connector and a ste
6. ctors of the FP22 for opera tion The Y cable depicted in Figure 2 is required for RTS and ClearCom intercom systems 1 The above Y cable is placed in line into the intercom system 2 Set internal switch S105 to Stereo factory setting Wiring for RTS and ClearCom Systems RTS ClearCom Audio channel 1 24Vdc Audio 18 36 Vdc power Audio channel 2 24 Vdc Audio 12 Vdc call signal Reference ground Reference ground or com mon TO STEREO LINE LOOPTHROUGH CONNECTION ON FP22 SLEEVE RING TIF FIGURE 2 SPECIAL APPLICATIONS Troubleshooting stage sound systems The FP22 can be used to trace a signal line when one or more microphones are not working on stage To locate the malfunction loop the signal through the FP22 wherever an XLR or phone connector is lo cated and monitor the signal Field monitoring applications can be set up by inserting FP22 units in line without affecting the signals On stage monitoring With the FP22 an effective on stage in ear monitor system can be created From a mixing console a stereo signal can be looped through to multiple FP22 s while the Mono XLR jack can be used for an individual s microphone or musical instrument Each performer has control of overall head phone volume as well as a mix control of their individual voice or instrument with the stereo signal Boosting headphone output The FP22 can be used to boost the headphone ou
7. ine switch to the appropriate signal level 2 Connect a balanced microphone or line level signal to either Mono XLR jack 3 If loopthrough is desired use the unused XLR connector as an output NOTE No damage will result if the Mic Line switch is set incorrectly However objectionable distortion may result if line level signals are monitored with the switch in the Mic position Stereo Line Line or Aux level signals only 1 Connect a 1 4 inch stereo connector to either Stereo Line jack 2 If loopthrough is desired use the unused 1 4 in stereo con nector as an output 3 Set the front panel Stereo Line Pad to the 0 dBm linelevel signal position The 30 dB position is used when the FP22 line4level input signals are 4 dBm or greater NOTE As explained in the Internal Switches description the FP22 can accept left and right input signals on separate con nectors Stereo Line jack 1 is left Stereo Line jack 2 is right Headphones 1 Connect headphones to the Headphones A and B jacks NOTE Each pair of Headphones jacks consists of one 1 4 inch and one 3 5 mm stereo connector Only one connector of each pair can be used at one time Plugging into the 4 inch connector disconnects its associated 3 5 mm connector OPERATION NOTE A simplified block diagram on the side of the FP22 pro vides a quick reference to its functional circuitry 1 Rotate the overall Volume control clockwise to power the FP22 The Power LE
8. oaxial power connector tip sleeve Case Die cast zinc matte black enamel finish Overall Dimensions 80 9 mm H x 55 5 mm W x 153 mm D 3 3 46 X 23 16 X 6 1 6 in Net Weight 450 grams 1 Ib NOTE The FP22 is lightweight and can be clipped to a belt or trousertop or to D rings on other equipment The FP22 belt clip is attached to the case with two easily removable screws The FP22 will stand on a flat surface and several units can be stacked together with their belt clips removed SETUP Battery Replacement 1 Use a coin or screwdriver to turn the 1 4 turn lockscrew fasten er in either direction to open the battery compartment door 2 Insert a fresh 9 volt alkaline battery NEDA 1604A Duracell MN1604A Eveready 522 or equivalent in the compartment The battery compartment is designed so that the polarized bat tery terminals cannot be inserted incorrectly Plated spring ter minals ensure solid electrical contacts External Power The coaxial dc power jack accepts a dc voltage from 12 to 24 volts External dc power feeds a regulator to power the FP22 cir cuitry The dc input jack is directly compatible with Shure Model PS20 or PS20E Power Supplies The tip of the coaxial jack is positive the sleeve is negative A coaxial power plug in serted into the external power jack disables the internal battery power Signal Connections Mono XLR Microphone or line level signals 1 Set the Mono XLR Mic L
9. oshiba TLR124 Shure 95A8381 ITT Cannon XLM 3 31PCV Shure 95A8400 ITT Cannon XLM 3 32PCV Shure 22201FT Hosiden HLJ0546 01 010 Shure 20202FT Hosiden HLJ3305 01 3080 Shure 20203FT Hosiden HSJ0926 01 1010 Shure 30252FT Hosiden HEC0470 01 630 Shure 80A250 TDK BF30 3 4x6x1 Shure 22801FT TDK ZBF503S 01 Shure 10209FT Shure 53A1891 Shure 95A8539 Shure 95B8539 Shure 22603FT Sanyo 2SD438FMP Shure 22604FT Sanyo 2SB560FMP Shure 22605FT Toshiba 2SA1015GR Shure 22606FT Toshiba 2SC1851GR Shure 22606FT Siliconix SST177 Shure 22206FT Shure 55A8020 Nikkai AS 22AH Shure 22401FT Fujisoku DSS2 02 Shure 22402FT Nikkai SS 22SB112 Shure 22501FT Shure 86A8953 Motorola MC33178P Shure 22601FT Motorola MC33179P Shure 22602FT Motorola MC7809CT
10. r control of headphone volume e Loopthrough 1 4 inch stereo phone jacks can be internally switched to become separate left and right inputs e 30 dB pad for stereo line input to accommodate a wide range of line level sources e Balanced loopthrough XLR connectors switchable from mic to line level e Separate XLR volume control on pull out control knob Overall headphone balance control e Overall stereo mono switch for headphones e LED power indicator e Powered by easily obtainable 9 volt alkaline battery or by external 12 to 24 Vdc power supply such as Shure Model PS20 or PS20E e 1 4 inch and 3 5 mm stereo headphone jacks e Effectively shielded for low susceptibility to radio frequency interfer ence RFI SPECIFICATIONS Frequency Response ref 1 kHz 20 Hz to 20 kHz 1 3 dB stereo line input 50 Hz to 18 kHz 1 3 dB mono XLR input Equivalent Input Noise 125 dBV maximum gain source resistance 150 Q 20 Hz to 20 kHz Voltage Gain at 1 kHz Source Gain Gain Input Impedance into 63 Q into 8 Q XLR 150 Q 80 5 dB 74 5 dB mic level XLR 600 Q 29 5dB 23 5 dB line level Stereo line 600 Q 26 4dB 21 4dB pad at 0 dB Stereo line 600 Q 4 4dB 10 4dB pad at 30 dB Total Harmonic Distortion Less than 0 5 measured at 8 dBV into 8 Q 20 Hz to 20 kHz stereo line input 50 to 18 KHz mono XLR input Input Clipping Levels at 1 kHz
11. reo signal input through the Stereo Line jacks can be monitored as a mixed out put with both signals appearing in the stereo headphones 4 Three Mono Inputs Stereo Headphone Signal Output Three mono signals can be accepted through the mono XLR jacks and the stereo line jacks and mixed and monitored as a stereo signal in the stereo headphones NOTE The FP22 can be modified so that all input jacks are in parallel This duplicates the Shure FP12 in functionality This modification allows monitoring in mono only Please contact Shure s Product Applications Group for details on this modifi cation INTERCOM CAPABILITY The FP22 can interface to commercially available intercom systems such as RTS Telex and ClearCom The diagrams be low show how to interface the FP22 to these systems and what can be monitored More information about intercom systems can be obtained from the intercom manufacturers Telex Intercom Systems Figure 1 Telex uses a standard balanced audio line No modification is required to interface the FP22 with Telex intercoms 1 Use the Mono XLR Loopthrough connections 2 Mono XLR level switch should be set to the Line position 3 24 volts phantom power on the intercom line is passed through the FP22 AUDIO 424 VDC AUDIO 24 VDC REF FIGURE 1 RTS and ClearCom Systems Figure 2 These two systems use an unbalanced audio line which re quires use of the 1 4 inch line conne
12. rol Light hie ar gt Fon Outer ring of triple function Volume JPS Wagn aA POWER VOL control Overall headphone balance BAL control with center detent Stereo Mono Headphone Mode MONO XIR VOL Switch STEREO Changes headphones from stereo LY Triple Function Volume Control to mono Especially useful when MODE Incorporates On Off switch overall monitoring monaural signal con MONO Volume control master volume and Mono XLR Volume on the pullout ania 0 dB Center detented Mono XLR volume LINE at nominal level Stereo Line Pad N Reduces gain on Stereo Line sig nals by 30 dB Especially useful with signal levels of 4 dBm or greater nected to stereo line jacks 30dB 3 5 mm Stereo 3 Circuit Mini Headphone Connectors Mono or stereo program monitor Mono XLR Mic Line Switch Selects between microphone and line level signals coming into XLR connector 50 dB pad inserted be fore mic preamp when switch is in HEADPHONES Line position 1 4 Inch Stereo 3 Circuit Head phone Connectors Mono or stereo program monitor us ing these jacks disables 3 5mm jacks IN 12 24 Vdc IN AW 13441 41X ONON Battery Compartment Requires one 9 V alkaline battery External Power Jack Accepts external supply voltage from 12 to 24 Vdc such as Shure PS20 or PS20E Power Supplies Tip is positive sleeve is negative REFERENCE DESIGNATION BT1 D101 D107 D113 D115 D108 D110 D111 D112 D114
13. tput of existing devices The stereo headphone output of an audio device can be connected to the Stereo Line connectors of the FP22 The FP22 will provide a high quality headphone output with the ability to loop through to another FP22 Using the FP22 as a two stage intercom system A two stage intercom system can be created by connecting two FP22 units with a single standard microphone cable Each person con nects a Shure SM12A or other headset microphone s XLR output and earphone input connector to their individual FP22 Both mi crophone signals appear at each FP22 headphone output Practice headphone amplifier for microphones or other sources such as electric instruments synthesizers etc Con nect the output from any instrument into the FP22 and monitor the headphones Mono XLR Connectors Balanced Loopthrough connec tors accept both mic and line level signals Volume adjusts with pull out triple function Volume control center detent is nominal volume Stereo Line Jacks Unbalanced Dual function jacks Factory supplied so that tip ring sleeve stereo signal applied to one jack can be looped through to other jack tip left ring right sleeve ground Jacks can be in ternally switched so that two mono phone jacks can be input i 4 r LOOP THRU 2 and monitored in stereo without loopthrough see Internal switches MONO XLR 9 jam I Q O O LED P Indicat STEREO LINE Balance Cont
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